#container{
	margin: 0 auto;
	width: 400px;
	height: 400px;
	background-color: #ccc;
	border-radius: 5%;
	padding:10px;
	text-align: center;
}
#but{
	width: 100px;
	height: 40px;
	margin-bottom: 5px;
}
td,th{
	text-align: center;
	border:1px solid #fff;
	width: 80px;
	height: 30px;
}
table{
	margin: 0 auto;
	border:1px solid #fff;
}